本書建議需要密集關注的52種臺灣淡水魚類，以嚴謹的態度呈現最新最正確的資料，提供研究者、保育工作人員、執法人員、學子等辨識臺灣珍稀淡水魚類，並增進其基礎生物學知識。 This is a book introducing 52 kinds of Taiwanese freshwater fish and four new species.It is an effort to raise awareness of the importance of protecting endangered native fish species. The book was commissioned by the Forestry Bureau under the Council of Agriculture and took an oceanography research team five years to complete.The research group included marine biology professor Chen I-hiung from National Taiwan Ocean University and Kwang-Tsao Shao, a research fellow at Academia Sinica, Taiwan's top research institution. According to the research group, including the 52 types of fish outlined in the book, there are now 270 kinds of freshwater fish in Taiwan, and 10 of them are endangered.